2018 Purdue Boilermakers First Down Split Stats through 01/07/2019
| Split | G | Rush | Pass | Penalty | Total |
|---|---|---|---|---|---|
| All Games | 13 | 97 | 156 | 31 | 284 |
| at Home | 7 | 54 | 87 | 14 | 155 |
| on Road/Neutral Site | 6 | 43 | 69 | 17 | 129 |
| in Wins | 6 | 55 | 70 | 19 | 144 |
| in Losses | 7 | 42 | 86 | 12 | 140 |
| vs. Conference | 9 | 71 | 109 | 28 | 208 |
| vs. Non-Conference | 4 | 26 | 47 | 3 | 76 |
| vs. Ranked (AP) | 3 | 27 | 34 | 7 | 68 |
| vs. Unranked (AP) | 10 | 70 | 122 | 24 | 216 |
| vs. FBS (I-A) | 13 | 97 | 156 | 31 | 284 |
| vs. FCS (I-AA) | 0 | 0 | 0 | 0 | 0 |
| vs. FBS Winning | 10 | 67 | 117 | 18 | 202 |
| vs. FBS Non-Winning | 3 | 30 | 39 | 13 | 82 |
| vs. FBS Power 5 | 12 | 84 | 150 | 31 | 265 |
| vs. FBS non-Power 5 | 1 | 13 | 6 | 0 | 19 |
| in August/September | 5 | 39 | 61 | 9 | 109 |
| in October | 3 | 22 | 39 | 8 | 69 |
| in November | 4 | 31 | 46 | 12 | 89 |
| in December/January | 1 | 5 | 10 | 2 | 17 |